body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f5f5f5; /* Subtle grey background */
    text-align: center;
    color: #333;
    height: 100vh; /* Ensure body takes full viewport height */
    display: flex;
    flex-direction: column; /* Stack header and main vertically */
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background-color: #f5f5f5; /* Match body background */
}

.header-logo {
    height: 30px; /* Size for the top-left logo */
    width: auto;
}

nav {
    display: flex;
    align-items: center;
}

.nav-group {
    display: flex;
    align-items: center;
}

.nav-group ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.nav-group ul li {
    margin-left: 0; /* Remove margin between items in the group */
}

.nav-group ul li:first-child a {
    border-radius: 5px 0 0 5px; /* Rounded corners only on left side of first item */
}

.nav-group ul li:last-child a {
    border-radius: 0 5px 5px 0; /* Rounded corners only on right side of last item */
}

.nav-group ul li a {
    text-decoration: none;
    color: #fff; /* White text for contrast against black background */
    font-size: 16px;
    padding: 10px 15px;
    transition: background-color 0.3s;
    background-color: #000; /* Black background for all links */
    margin-left: -1px; /* Overlap borders to remove gaps */
    border: 1px solid #000; /* Add border to ensure seamless connection */
}

.nav-group ul li a:hover {
    background-color: #333; /* Darker grey for hover effect */
}

.about {
    background-color: #ccff00; /* Green background for "About us" */
    color: #000; /* Black text for contrast against green */
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 5px;
    margin-left: 20px; /* Space between the group and "About us" */
}

main {
    flex: 1; /* Allow main to take up remaining space */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center; /* Center vertically */
    background-color: #f5f5f5; /* Ensure main matches the body background */
}

.maintenance-image {
    margin-bottom: 20px;
}

.m-logo {
    width: 300px; /* Adjust based on your GIF size */
    height: auto;
}

.maintenance-text h2 {
    font-size: 24px;
    margin: 0 0 10px 0;
}

.maintenance-text p {
    font-size: 16px;
    color: #666;
}